- Island of Dragons, Geronimo Stilton ; [illustrations by Silvia Bigolin, Ivan Bigarella, Alessandro Muscillo, and Christian Aliprandi ; translated by Julia Heim]
- The treasures of the kingdom, Geronimo Stilton ; illustrations by Carla Debernardi, Silvia Bigolin, and Andrea Alba Benelle ; translated by Julia Heim
- Out of time, the eighth journey through time, Geronimo Stilton ; illustrations by Ivan Bigarella, Federico Brusco, Andrea Denegri, Alessandro Muscillo, Carla Debernardi, and Christian Aliprandi ; translated by Rebecca Herrick
- The fast and the frozen, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Julia Heim
- The battle for Crystal Castle, Geronimo Stilton's thirteenth adventure in the Kingdom of Fantasy, Geronimo Stilton ; cover by Danilo Barozzi [and 2 others] ; illustrations by Silvia Bigolin [and 4 others] ; translated by Julia Heim
- Cyber-thief showdown, Geronimo Stilton ; illustrations by Giuseppe Ferrario (design), Roberta Bianchi (pencils), Giulia Zaffaroni (color) ; translated by Anna Pizzelli
- The invisible planet, Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils), Carolina Livio (inks), and Serena Gianoli and Paolo Vicenzi (color) ; translated by Julia Heim
- Welcome to moldy manor, Geronimo Stilton ; illustrations by Carolina Livio (design), Riccardo Sisti (ink), and Valentina Grassini (color) ; translated by Andrea Schaffer
- The wizard's wand, the ninth adventure in the Kingdom of Fantasy, Geronimo Stilton ; [translated by Julia Heim]
- The keepers of the empire, the fourteenth adventure in the Kingdom of Fantasy, Geronimo Stilton ; illustrations by Danilo Barozzi [and 6 others] ; translated by Emily Clement
- The dragon of fortune, text by Geronimo Stilton ; cover by Silvia Fusetti ; illustrations by Silvia Bigolin, Federico Brusco, Carla Debernardi, Alessandro Muscillo, and Piemme's Archives ; color by Christian Aliprandi ; translated by Julia Heim
- The search for treasure, the sixth adventure in the Kingdom of Fantasy, Geronimo Stilton ; translated by Lidia Morson Tramontozzi
- Ride for your life!, text by Geronimo Stilton ; illustrations by Danilo Barozzi (pencils and inks) and Giulia Zaffaroni (color) ; translated by Andrea Schaffer
- The secret of the crystal fairies, Geronimo Stilton ; [text by] Thea Stilton ; [translated by Anna Pizzelli]
- Pirate spacecat attack, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Anna Pizzelli
- The enchanted charms, the seventh adventure in the Kingdom of Fantasy, Geronimo Stilton ; [cover by Danilo Barozzi ; illustrations by Danilo Barozzi, and five others ; translated by Emily Clement]
- Surfing for Secrets, Geronimo Stilton
- The golden key, Geronimo Stilton ; illustrations by Carla Debernardi, Silvia Bigolin, Lara Martinelli, Andrea Alba Benelle, and Federica Fontana ; translated by Julia Heim
- Shoo, caveflies!, Geronimo Stilton
- Geronimo Stilton, the graphic novel, text by Geronimo Stilton ; story by Elisabetta Dami ; illustrations by Tom Angleberger ; translated by Emily Clement ; color by Corey Barba ; lettering by Shivana Sookdeo and Kristin Kemper
- Mouse house hunter, Geronimo Stilton
- Back in time, the second journey through time, Geronimo Stilton ; illustrations by Danilo Barozzi [and 8 others] ; translated by Julia Heim
- The ship of secrets, the tenth adventure in the kingdom of fantasy, Geronimo Stilton ; illustrations by Silvia Bigolin [and 4 others] ; color by Christian Aliprandi
- Slime for dinner, Geronimo Stilton with Tom Angleberger ; story by Elisabetta Dami
- Operation: secret recipe, Geronimo Stilton
- The golden statue plot, text by Geronimo Stilton ; illustrations by Danilo Loizedda [and ten others] ; translated by Julia Heim
- Bollywood burglary, Geronimo Stilton ; illustrations by Danilo Loizedda (design) and Daria Cerchi (color) ; translated by Lidia Morson Tramontozzi